Dr. Ruth Ley is the Managing Director and Dr. Sara Clasen is a Postdoctoral Fellow at the Max Planck Institute for Developmental Biology Tübingen. Dr. Ley’s lab uses basic science to investigate the evolutionary history of gut microbes, how they have adapted to life inside humans, and how they affect human biology and health. Dr. Clasen’s research focuses on flagellin-TLR5 interactions.